/*
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 * and open the template in the editor.
 */

package ru.miit.elearning.servlets;

import java.io.IOException;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import org.hibernate.Session;
import ru.miit.elearning.hibernate.dao.ConfigurationDAO;
import ru.miit.elearning.hibernate.dao.HibernateUtil;
import ru.miit.elearning.hibernate.dao.WebLabUtil;

/**
 *
 * @author Cyclone
 */
public class AddPropertyServlet extends HttpServlet {
   
    /** 
     * Processes requests for both HTTP <code>GET</code> and <code>POST</code> methods.
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    protected void processRequest(HttpServletRequest request, HttpServletResponse response)
    throws ServletException, IOException {
        response.setContentType("text/html;charset=UTF-8");
        String message = null;

        Session session = null;
        try {

            if (!request.isUserInRole("admin")) {
                    message = "У вас нет прав на добавление свойства";
                    getServletContext().setAttribute("message", message);
                    response.sendRedirect("Configuration");
                    return;
                }

            String name = request.getParameter("propName");
            String description = request.getParameter("propDesc");
            String alias = request.getParameter("alias");

            String propTypeString = request.getParameter("propType");
            int propType = Integer.parseInt(propTypeString);

            String valueNeededString = request.getParameter("valueNeeded");
// System.out.println("valueNeededString = " + valueNeededString);
            boolean valueNeeded = (valueNeededString != null && valueNeededString.equals("on"));
// System.out.println("valueNeeded = " + valueNeeded);

            session = HibernateUtil.getSessionFactory().getCurrentSession();
            session.beginTransaction();

            ConfigurationDAO configurationDAO = new ConfigurationDAO(session);

            configurationDAO.addProperty(name, description, propType, valueNeeded, alias);
            if (session != null && session.isOpen()) {
                session.getTransaction().commit();
            }
            message = "Свойство \""+name+"\" добавлено";

            getServletContext().setAttribute("message", message);
            response.sendRedirect("Configuration");

        } catch (Exception e) {
            e.printStackTrace();
            if (session != null && session.isOpen()) {
                session.getTransaction().rollback();
            }

            message = "<p>Ошибка добавления свойства";
            message += WebLabUtil.prepareExceptionRef(request.getSession(), e);
            message += "</p>";
            getServletContext().setAttribute("message", message);

            response.sendRedirect("Configuration");
        } finally {
            if (session != null && session.isOpen()) {
                session.close();
            }
        }
    } 

    // <editor-fold defaultstate="collapsed" desc="HttpServlet methods. Click on the + sign on the left to edit the code.">
    /** 
     * Handles the HTTP <code>GET</code> method.
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    @Override
    protected void doGet(HttpServletRequest request, HttpServletResponse response)
    throws ServletException, IOException {
        processRequest(request, response);
    } 

    /** 
     * Handles the HTTP <code>POST</code> method.
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    @Override
    protected void doPost(HttpServletRequest request, HttpServletResponse response)
    throws ServletException, IOException {
        processRequest(request, response);
    }

    /** 
     * Returns a short description of the servlet.
     * @return a String containing servlet description
     */
    @Override
    public String getServletInfo() {
        return "Short description";
    }// </editor-fold>

}
